Q.

After a cell is stimulated, a finite period of time is required for the cell to return to its pre-stimulus state. This period is known as                          

A. restoration period
B. refactory period
C. regain period
D. regenerative period
Answer» B. refactory period
Explanation: After a cell is stimulated, a finite period of time is required for the cell to return to its pre-stimulus state. This is because the energy associated with the action potential is developed from metabolic process within the cell which takes time for completion. This time period is called refactory period.
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